Timing package

timing/timing.go

@@ -0,0 +1,31 @@
+package timing
+
+import "time"
+
+var (
+	dt         float32 = 0.01
+	frameStart time.Time
+	startTime  time.Time
+)
+
+func Init() {
+	startTime = time.Now()
+}
+
+func FrameStarted() {
+	frameStart = time.Now()
+}
+
+func FrameEnded() {
+	dt = float32(time.Since(frameStart).Seconds())
+}
+
+//DT is frame deltatime in milliseconds
+func DT() float32 {
+	return dt
+}
+
+//ElapsedTime is time since game start
+func ElapsedTime() uint64 {
+	return uint64(time.Since(startTime).Seconds())
+}